回答編集履歴
2
ソース追記
test
CHANGED
|
@@ -69,3 +69,55 @@
|
|
|
69
69
|
```
|
|
70
70
|
|
|
71
71
|
usr~/test/cpp %
|
|
72
|
+
|
|
73
|
+
|
|
74
|
+
|
|
75
|
+
[sprintf]
|
|
76
|
+
|
|
77
|
+
```cpp
|
|
78
|
+
|
|
79
|
+
usr~/test/cpp % cat c1016s.cpp
|
|
80
|
+
|
|
81
|
+
#include <iostream>
|
|
82
|
+
|
|
83
|
+
|
|
84
|
+
|
|
85
|
+
using namespace std;
|
|
86
|
+
|
|
87
|
+
|
|
88
|
+
|
|
89
|
+
int main(void)
|
|
90
|
+
|
|
91
|
+
{
|
|
92
|
+
|
|
93
|
+
int x;
|
|
94
|
+
|
|
95
|
+
char buf[16];
|
|
96
|
+
|
|
97
|
+
//
|
|
98
|
+
|
|
99
|
+
cin >> x;
|
|
100
|
+
|
|
101
|
+
//
|
|
102
|
+
|
|
103
|
+
sprintf(buf,"%X",x);
|
|
104
|
+
|
|
105
|
+
//
|
|
106
|
+
|
|
107
|
+
cout << buf << endl;
|
|
108
|
+
|
|
109
|
+
|
|
110
|
+
|
|
111
|
+
return 0;
|
|
112
|
+
|
|
113
|
+
}
|
|
114
|
+
|
|
115
|
+
usr~/test/cpp % ./a.out
|
|
116
|
+
|
|
117
|
+
147
|
|
118
|
+
|
|
119
|
+
93
|
|
120
|
+
|
|
121
|
+
usr~/test/cpp %
|
|
122
|
+
|
|
123
|
+
```
|
1
ソース追記
test
CHANGED
|
@@ -7,3 +7,65 @@
|
|
|
7
7
|
|
|
8
8
|
|
|
9
9
|
intの値を１６進文字列にするならsprintf(buf,"%x",v)で出来ます。
|
|
10
|
+
|
|
11
|
+
「追記」
|
|
12
|
+
|
|
13
|
+
プログラムでするなら・・・
|
|
14
|
+
|
|
15
|
+
usr~/test/cpp % ./a.out
|
|
16
|
+
|
|
17
|
+
456
|
|
18
|
+
|
|
19
|
+
1C8
|
|
20
|
+
|
|
21
|
+
usr~/test/cpp % cat c1016.cpp
|
|
22
|
+
|
|
23
|
+
```cpp
|
|
24
|
+
|
|
25
|
+
#include <iostream>
|
|
26
|
+
|
|
27
|
+
|
|
28
|
+
|
|
29
|
+
using namespace std;
|
|
30
|
+
|
|
31
|
+
|
|
32
|
+
|
|
33
|
+
int main(void)
|
|
34
|
+
|
|
35
|
+
{
|
|
36
|
+
|
|
37
|
+
static const char hex[]= "0123456789ABCDEF";
|
|
38
|
+
|
|
39
|
+
int x;
|
|
40
|
+
|
|
41
|
+
char buf[16];
|
|
42
|
+
|
|
43
|
+
char *ptr=&buf[10];
|
|
44
|
+
|
|
45
|
+
//
|
|
46
|
+
|
|
47
|
+
cin >> x;
|
|
48
|
+
|
|
49
|
+
//
|
|
50
|
+
|
|
51
|
+
*ptr-- = '\0';
|
|
52
|
+
|
|
53
|
+
do{
|
|
54
|
+
|
|
55
|
+
*ptr-- = hex[x & 0xf];
|
|
56
|
+
|
|
57
|
+
}while( x >>= 4 );
|
|
58
|
+
|
|
59
|
+
|
|
60
|
+
|
|
61
|
+
cout << ++ptr << endl;
|
|
62
|
+
|
|
63
|
+
|
|
64
|
+
|
|
65
|
+
return 0;
|
|
66
|
+
|
|
67
|
+
}
|
|
68
|
+
|
|
69
|
+
```
|
|
70
|
+
|
|
71
|
+
usr~/test/cpp %
|